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Chandra Seetharaman 8a57dfc6f9 dm: avoid destroying table in dm_any_congested ... dm_any_congested() just checks for the DMF_BLOCK_IO and has no code to make sure that suspend waits for dm_any_congested() to complete. This patch adds such a check. Without it, a race can occur with dm_table_put() attempting to destroying the table in the wrong thread, the one running dm_any_congested() which is meant to be quick and return immediately. Two examples of problems: 1. Sleeping functions called from congested code, the caller of which holds a spin lock. 2. An ABBA deadlock between pdflush and multipathd. The two locks in contention are inode lock and kernel lock. Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>		16 years ago
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raid6test	md: raid6: clean up the style of raid6test/test.c	17 years ago
.gitignore	gitignore: misc files	19 years ago
Kconfig	raid, fastboot: hide RAID autodetect option if MD is compiled as a module	17 years ago
Makefile	dm raid1: separate region_hash interface part1	17 years ago
bitmap.c	Fix problem with waiting while holding rcu read lock in md/bitmap.c	17 years ago
dm-bio-list.h	dm: bio_list macro renaming	18 years ago
dm-bio-record.h	Linux-2.6.12-rc2	20 years ago
dm-crypt.c	dm crypt: remove waitqueue	17 years ago
dm-delay.c	dm: remove dm header from targets	17 years ago
dm-exception-store.c	dm: remove dm header from targets	17 years ago
dm-io.c	dm: remove dm header from targets	17 years ago
dm-ioctl.c	[PATCH] introduce fmode_t, do annotations	17 years ago
dm-kcopyd.c	dm: remove dm header from targets	17 years ago
dm-linear.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/viro/bdev	17 years ago
dm-log.c	dm: remove dm header from targets	17 years ago
dm-mpath.c	dm mpath: warn if args ignored	16 years ago
dm-mpath.h	dm mpath: remove is_active from struct dm_path	17 years ago
dm-path-selector.c	dm: remove dm header from targets	17 years ago
dm-path-selector.h	[PATCH] struct path: rename DM's struct path	18 years ago
dm-raid1.c	dm raid1: flush workqueue before destruction	16 years ago
dm-region-hash.c	dm raid1: separate region_hash interface part1	17 years ago
dm-round-robin.c	dm: remove dm header from targets	17 years ago
dm-snap.c	dm snapshot: wait for chunks in destructor	16 years ago
dm-snap.h	dm snapshot: wait for chunks in destructor	16 years ago
dm-stripe.c	dm stripe: fix init failure	16 years ago
dm-table.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/viro/bdev	17 years ago
dm-target.c	dm: use kzalloc	18 years ago
dm-uevent.c	md: replace remaining __FUNCTION__ occurrences	17 years ago
dm-uevent.h	dm: uevent generate events	18 years ago
dm-zero.c	dm: remove dm header from targets	17 years ago
dm.c	dm: avoid destroying table in dm_any_congested	16 years ago
dm.h	dm: publish array_too_big	17 years ago
faulty.c	md: check for memory allocation failure in faulty personality	17 years ago
linear.c	md: linear: Fix a division by zero bug for very small arrays.	16 years ago
md.c	md: revert the recent addition of a call to the BLKRRPART ioctl.	16 years ago
mktables.c	md: raid6: Fix mktable.c	17 years ago
multipath.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6	17 years ago
raid0.c	md: Remove unnecessary #includes, #defines, and function declarations.	17 years ago
raid1.c	md: build failure due to missing delay.h	17 years ago
raid5.c	md: Relax minimum size restrictions on chunk_size.	17 years ago
raid6.h	md: Remove unnecessary #includes, #defines, and function declarations.	17 years ago
raid6algos.c	drivers/md: use time_before, time_before_eq, etc	17 years ago
raid6altivec.uc	[PATCH] RAID6 Altivec fix	20 years ago
raid6int.uc	Linux-2.6.12-rc2	20 years ago
raid6mmx.c	x86 merge fallout: uml	18 years ago
raid6recov.c	Linux-2.6.12-rc2	20 years ago
raid6sse1.c	x86 merge fallout: uml	18 years ago
raid6sse2.c	x86 merge fallout: uml	18 years ago
raid6x86.h	x86 merge fallout: uml	18 years ago
raid10.c	md: fix bug in raid10 recovery.	16 years ago
unroll.pl	Linux-2.6.12-rc2	20 years ago